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2001 Subaru Outback alternator output

Tiny
RAY ERNST
  • MEMBER
  • 2001 SUBARU OUTBACK
  • 4 CYL
  • AWD
  • AUTOMATIC
  • 94,000 MILES
My repair shop installed a new 130amp alternator instead of a 90amp as noted in the owner's manual.

Are there potential risks to my electrical system components using an alternator with higher amperage?

Thank you
Thursday, July 10th, 2008 AT 12:40 AM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Hi Ray,

The higher amperage means a faster charging rate and should not affect anything except maybe a heavier load felt at idling when more current is needed from the alternator.

If you use a lot of accessories such as amplifiers, spot lights, it would be better for the battery.
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Monday, July 14th, 2008 AT 11:16 AM

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